The data isn't sourced. Most claims of this nature ultimately source back to EPI's faked data that uses two different measures of inflation to falsely portray t

The data isn't sourced. Most claims of this nature ultimately source back to EPI's faked data that uses two different measures of inflation to falsely portray the productivity gap as far higher than it actually is. See https://www.reddit.com/r/badeconomics/comments/6rtoh4/productivity_pay_gap_in_epi_we_trust/ https://www.reddit.com/r/badeconomics/comments/6rtoh4/produc... for details. I'm almost positive the same is going on here.